07 ZX6R Review
- QLDZX6R
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07 ZX6R Review
So Superbike have a snippet of their Review from their next issue.Can't help thinking he's correct about Kawasaki keeping the 636cc format for the better power delivery,sounds like all the power is above 10k rpm in the new version which isn't fantastic for the road.
http://www.superbike.co.uk/news/New_200 ... 03436.html
http://www.superbike.co.uk/news/New_200 ... 03436.html
Never trade the thrills of living for the security of existance
Here's another review that was posted a few days ago...
http://www.biketestusa.com/Article_Page ... cleID=4090
Personally, I think it's great that this class of bike seems to be becoming more and more track focussed. Yamaha seem to have started a trend.
http://www.biketestusa.com/Article_Page ... cleID=4090
Personally, I think it's great that this class of bike seems to be becoming more and more track focussed. Yamaha seem to have started a trend.

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Yes, because we all spend *so* much time on racetracks and need to spend 15 grand on a new bike that doesn't get out of bed until it revs into the top third of its rev range to force us to ride properly... I didn't realise RGV nostalgia was so strong and so widespread...Whitey wrote:Personally, I think it's great that this class of bike seems to be becoming more and more track focussed.
...if they're going to keep making 600's so wheezy, the least we can demand is that they make 750 versions of them which sacrifice 1000rpm or rev range for 4000rpm of usable midrange.
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Barrabob wrote:....maybe even a 800 version.

what is there now in the range between a screaming top-end 600 and a similiar 1000 ??


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Wouldn't work without some major KY action, and if you were going to all the trouble, you might as well slot in a Z1000 motor; the two are externally the same... the Thou is a bored out ZX-9R motor with a sidedraught head, the Z750 is a sleeved-down ZX-9R motor with the same sidedraught head.falx wrote:Maybe its just me; but I've been having blue-sky thoughts about shoehorning a Z750 mill into a ZXR636 frame.
If you were feeling like a complete MacGyver, it might be an idea to look into how difficult and how costly a one-off machined crank and cylinder block would set you back.
The ZX636 has bore and stroke dimensions of 68x43.8mm. Putting a bit of pen to paper, you can figure out that every additional mm of stroke yields an additional 14.527cc of capacity. 8mm of extra stroke corresponds to a capacity increase of 116.214cc, for a total of 752cc.
So, find a machine shop with the capability to mill you an 8mm-taller replica of the 636 cylinder block, and a replica of the 636 crank with 4mm extra throw, which *should* still fit inside the 636 cases, and you have a 750 in a 600 chassis, and you can even recycle the 636 rods and pistons... you'd probably want to drop the revlimit by about 1,000rpm, though, and nick the twin-injector setup off the 6RR.